Essilor Instruments Retina 550 - How to Adjust the Chinrest

4. HOW TO ADJUST THE CHINREST
Tell the patient to take a seat.
Ask the patient to put the chin on the chin cup and the forehead against the forehead rest.
Verify if the eyes position is correct respectively to the shooting channel.
To adjust the height of the eyes you need to lift or lower the chin cup.
Unscrew the knob.
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Retina550 - Fundus camera > V1 - 06-2017
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USER MANUAL> IV. DEVICE USE